Grontkowski Family Tree

It's all relative at Ancestry, home of 201 Grontkowski family trees and counting.

You've got family at Ancestry.

Find more Grontkowski relatives and grow your tree by exploring billions of historical records. Taken every decade since 1790, the U.S. Federal Census can tell you a lot about your family.
For example, from 1930 to 1940 there were 33 more
people
named Grontkowski in the United States — and some of them are likely related to you.

Try these variations to the Grontkowski name to find more ancestors:

Create, build, and explore your family tree.

What if you had a window into the history of your family? With historical records, you do. From home life to career, records help bring your relatives' experiences into focus.
There were 36 people named Grontkowski in the 1930 U.S. Census. In 1940, there were 92% more
people
named Grontkowski
in the United States. What was life like for them?

Picture the past for your ancestors.

In 1940, 69 people
named Grontkowski were living in the United States. In a snapshot:

26% of women had paying jobs

The average annual income was $953

2 were disabled

57% owned their homes, valued on average at $4,000

Learn where they came from and where they went.

As Grontkowski families continued to grow, they left more tracks on the map: